<!DOCTYPE html>
<html lang='en'>
<head>
    <meta charset='UTF-8'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <title>Document</title>
    <script type='text/javascript' src='js/vue.js'></script>
</head>
<body>
    <div id='app'>
        {{msg}}===={{sele}}
        <select v-model='sele'>
            <option>+</option>
            <option>-</option>
            <option>*</option>
            <option>/</option>
        </select>

        <p class=''></p>
        
    </div>
    <script type='text/javascript'>
        var vm = new Vue({
            el: '#app',
            data: {
                msg: 'Hello Vue',
                sele:'*'
            }
        });
    </script>
</body>
</html>